77 lines
3.1 KiB
Go
77 lines
3.1 KiB
Go
package events
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import (
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"fmt"
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"strings"
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outboxinfra "github.com/LoveLosita/smartflow/backend/infra/outbox"
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)
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// outboxHandlerService 表示 outbox 路由归属的业务服务。
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//
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// 这里只记录服务归属，不承载具体实现包名，方便在启动日志和路由表里直接阅读。
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type outboxHandlerService string
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const (
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outboxHandlerServiceAgent outboxHandlerService = "agent"
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outboxHandlerServiceTask outboxHandlerService = "task"
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outboxHandlerServiceMemory outboxHandlerService = "memory"
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outboxHandlerServiceActiveScheduler outboxHandlerService = "active-scheduler"
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outboxHandlerServiceNotification outboxHandlerService = "notification"
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outboxHandlerServiceTaskClassForum outboxHandlerService = "taskclass-forum"
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outboxHandlerServiceTokenStore outboxHandlerService = "token-store"
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)
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// outboxHandlerRoute 显式描述“事件类型 -> 服务归属 -> handler 注册动作”。
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//
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// 1. EventType 负责唯一定位 outbox 路由键；
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// 2. Service 负责标明该路由归属的业务服务；
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// 3. Register 只负责把对应 handler 挂到总线，不承载业务逻辑。
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type outboxHandlerRoute struct {
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EventType string
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Service outboxHandlerService
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Register func() error
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}
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// registerOutboxHandlerRoutes 逐条注册路由表里的 handler。
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//
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// 1. 先把事件类型和服务归属写进路由表，避免启动入口散落多处 if err != nil；
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// 2. 再统一执行注册动作，保证失败时能直接定位到具体 event_type 和 service；
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// 3. 若某条路由缺少注册函数，直接返回 error，避免静默漏注册。
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func registerOutboxHandlerRoutes(routes []outboxHandlerRoute) error {
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for _, route := range routes {
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if route.Register == nil {
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return fmt.Errorf("outbox handler route 缺少注册函数: event_type=%s service=%s", route.EventType, route.Service)
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}
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if err := outboxinfra.RegisterEventService(route.EventType, string(route.Service)); err != nil {
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return fmt.Errorf("登记 outbox 事件归属失败（event_type=%s, service=%s）: %w", route.EventType, route.Service, err)
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}
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if err := route.Register(); err != nil {
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return fmt.Errorf("注册 outbox handler 失败（event_type=%s, service=%s）: %w", route.EventType, route.Service, err)
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}
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}
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return nil
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}
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// scopedOutboxRepoForEvent 负责把通用 outbox 仓库收敛到某个事件所属的服务表。//
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// 职责边界：
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// 1. 只做事件->服务->表的路由，不碰业务写入语义；
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// 2. 返回的仓库只适合当前事件的 MarkDead / ConsumeAndMarkConsumed / MarkFailedForRetry；
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// 3. 路由缺失时直接返回错误，避免默默写回默认表。
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func scopedOutboxRepoForEvent(outboxRepo *outboxinfra.Repository, eventType string) (*outboxinfra.Repository, error) {
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if outboxRepo == nil {
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return nil, fmt.Errorf("outbox repository is nil")
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}
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eventType = strings.TrimSpace(eventType)
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if eventType == "" {
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return nil, fmt.Errorf("eventType is empty")
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}
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route, ok := outboxinfra.ResolveEventRoute(eventType)
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if !ok {
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return nil, fmt.Errorf("outbox route not registered: eventType=%s", eventType)
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}
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return outboxRepo.WithRoute(route), nil
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}
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